Upright air purifier



FIG. 1 is a top view of an upright air purifier.

FIG. 2 is a front view of the upright air purifier of FIG. 1.

FIG. 3 is a right side view of the upright air purifier of FIG. 1.

FIG. 4 is a rear view of the upright air purifier of FIG. 1.

FIG. 5 is a left side view of the upright air purifier of FIG. 1; and,

FIG. 6 is an elevated perspective view of the upright air purifier of FIG. 1. 

The ornamental design for upright air purifier, as shown and described. 